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Host hardware configurationOperating environment hardware and software Environment L host operating system: Windows 4 bit, dual core, 2.2g,8g memoryL Virtual software: VMware? Workstation 9.0.0 build-812388L Virtual Machine Operating system: CentOs 64bit, single core, 2G RAM virtual machine hardware and software configuration Cluster network environment cluster consists of three nodes: LAN connection between nodes, can ping each other. The node IP address and hostname distribution are as fo
Document directory 1) An error occurred while executing cloudera-Manager-install. 2) errors reported during JDK Installation 3) unable to start cloudera manager agent 4) The installation of parcel has never responded (more than 1 hour) 5) unable to start hive Directory I. Problems Encountered during
Install times wrong: Failed to execute goal org.apache.maven.plugins:maven-antrun-plugin:1.7:run (site) on project Hadoop-hdfs:an Ant B Uildexception has occured:input file/usr/local/hadoop-2.6.0-stable/hadoop-2.6.0-src/hadoop-hdfs-project/ Hadoop-hdfs/target/findbugsxml.xml
Basic Environment: Linux centos7.21. Cloudera Manager:Http://archive-primary.cloudera.com/cm5/cm/5/cloudera-manager-centos7-cm5.14.0_x86_64.tar.gz2, cdh5.14.0:Http://archive.cloudera.com/cdh5/parcels/5.14.0/CDH-5.14.0-1.cdh5.14.0.p0.24-el7.parcelHttp://archive.cloudera.com/cdh5/parcels/5.14.0/CDH-5.14.0-1.cdh5.14.0.p0.24-el7.parcel.sha1Http://archive.cloudera.com/cdh5/parcels/5.14.0/manifest.json3. JDK:Http
Although I have installed a Cloudera CDH cluster (see http://www.cnblogs.com/pojishou/p/6267616.html for a tutorial), I ate too much memory and the given component version is not optional. If only to study the technology, and is a single machine, the memory is small, or it is recommended to install Apache native cluster to play, production is naturally cloudera cluster, unless there is a very powerful opera
Impala are no problem, it is estimated that the memory is not enough (think of a single machine 2GB memory before the cluster, loaded soon Cloudera Manager will also not open, at that time because of the use of this cluster will be more than think of each), Looking at the primary node (that is, the node running Cloudera Manager, Cloudera-scm-server), there is on
machines are configured to each other key-free key (abbreviated) Third, the Hadoop environment configuration:1. Select installation packageFor a more convenient and standardized deployment of the Hadoop cluster, we used the Cloudera integration package.Because Cloudera has
01_note_hadoop introduction of source and system; Hadoop cluster; CDH FamilyUnzip Tar Package Installation JDK and environment variable configurationTAR-XZVF jdkxxx.tar.gz to/usr/app/(custom app to store the app after installation)Java-version View current system Java version and environmentRpm-qa | grep Java View installatio
production environment Hadoop large cluster fully distributed mode installation 2013-3-7 Installation Environment Operating platform: Vmware2 Operating system: Oracle Enterprise Linux 5.6 Software version: Hadoop-0.22.0,jdk-6u18 Cluster Architecture: Node,master node (hotel01), slave node (hotel02,hotel03 ...)
What is Impala? Cloudera released real-time query open source project Impala, according to a variety of products measured, it is more than the original based on MapReduce hive SQL query speed increase 3~90 times. Impala is an imitation of Google Dremel, but've seen wins blue on the SQL function. 1. Install JDK The code is as follows Copy Code $ sudo yum install jdk-6u41-linux-amd64.rpm 2. Pseudo-distributed mod
Ubuntu installation (Here I do not catch a map, just cite a URL, I believe that everyone's ability)Ubuntu Installation Reference Tutorial: http://jingyan.baidu.com/article/14bd256e0ca52ebb6d26129c.htmlNote the following points:1, set the virtual machine's IP, click the network connection icon in the bottom right corner of the virtual machine, select "Bridge mode", so as to assign to your LAN IP, this is ver
command:Bin/hadoop-daemon.sh stop datanodeOutput:No datanode to stopHowever, after checking the process, we found that both datanode and tasktracker are still running and tried the same result several times. Finally, I tried to stop using the namenode command:Bin/stop_dfs.shOr output:No datanode to stopInstead, we had to use brute force to kill the-9 process.After killing the hadoop process, bin/
Hadoop User Experience (HUE) Installation and HUE configuration Hadoop HUE: Hadoop User Experience. Hue is a graphical User interface for operating and developing Hadoop applications. The Hue program is integrated into a desktop-like environment and released as a web program
Sqoop is a tool used to transfer data from Hadoop and relational databases to the HDFS of a relational database (such as MySQL, Oracle, Postgres, etc.). HDFs data can also be directed into a relational database. One of the highlights of Sqoop is the fact that you can import data from a relational database to HDFs via Hadoop MapReduce. I. Installation of Sqoop1,
: 1 and 2. Version 1: It is mainly based on the upgrade and development of the original technology and supports other technologies. If you want to use hbase, hive, and other technologies, you only need to select version 1. Version 2: It is mainly based on the promotion and development of new technologies. If it is only based on hadoop development, this is a good choice. Description of hadoop downloa
hadoop modules. Hadoop Distributed File System (HDFS™): A distributed file system that provides high-throughput access to application data. Hadoop yarn: A Framework for Job Scheduling and cluster resource management. Hadoop mapreduce: a yarn-based system for parallel processing of large data sets. www.169it.com Lates
2Version 1: Mainly based on the original technology upgrade and development, while supporting the support of other technologies. If you want to use HBase, hive and other technologies, only select version 12 version: Based on the promotion and development of new technology, this is a good choice if it is only based on Hadoop development.Currently the official Web download Hadoop Description:Download
Hadoop pseudo-distribution installation steps, hadoop Installation Steps2. steps for installing hadoop pseudo-distribution: 1.1 set the static IP address icon in the upper-right corner of the centos desktop, right-click to modify and restart the NIC, and run the Command serv
: sudo tar-xzvf hadoop-2.4.0.tar.gz3) sudo mv hadoop-2.4.0/usr/local/4) sudo chmod 774 hadoop-2.4.05) Vim. BASHRC, add at the end of the fileExport Java_home=/usr/local/jdk1.8.0_25 (Choose your own JAVA installation path)Export hadoop_install=/usr/local/hadoop-2.4.1 (own
;property > name>Yarn.resourcemanager.resource-tracker.addressname> value>192.168.56.120:8031value>Property >property > name>Yarn.resourcemanager.admin.addressname> value>192.168.56.120:8033value>Property >property > name>Yarn.resourcemanager.webapp.addressname> value>192.168.56.120:8088value>Property >property > name>Yarn.nodemanager.resource.memory-mbname> value>768value>Property >⑤ configuration slaves, plus your slave server, such as:or
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